1066630080 has 112 divisors (see below), whose sum is σ = 3478194720. Its totient is φ = 276738048.

The previous prime is 1066630049. The next prime is 1066630157. The reversal of 1066630080 is 800366601.

It is a super-2 number, since 2×1066630080² = 2275399455121612800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20506 + ... + 50534.

It is an arithmetic number, because the mean of its divisors is an integer number (31055310).

Almost surely, 2^1066630080 is an apocalyptic number.

1066630080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1066630080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1739097360).

1066630080 is an abundant number, since it is smaller than the sum of its proper divisors (2411564640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1066630080 is a wasteful number, since it uses less digits than its factorization.

1066630080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30086 (or 30076 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1066630080 is about 32659.3031156514. The cubic root of 1066630080 is about 1021.7342277629.

Adding to 1066630080 its reverse (800366601), we get a palindrome (1866996681).

The spelling of 1066630080 in words is "one billion, sixty-six million, six hundred thirty thousand, eighty".